eddy/stm32samples
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almost ready but have IWDG reset when trying to send data over RS-232 in CANbus flooding

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This commit is contained in:
Edward Emelianov
2024-09-26 17:53:16 +03:00
parent 03772fce3a
commit b9942f2e9f
19 changed files with 388 additions and 188 deletions
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24
F1:F103/FX3U/main.c
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@@ -18,6 +18,7 @@
#include "adc.h"
#include "can.h"
#include "canproto.h"
#include "flash.h"
#include "hardware.h"
#include "modbusproto.h"
@@ -48,7 +49,6 @@ int main(void){
uint32_t lastT = 0;
CAN_message *can_mesg;
StartHSE();
RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
SysTick_Config(72000);
flashstorage_init();
gpio_setup(); // should be run before other peripherial setup
@@ -61,6 +61,19 @@ int main(void){
iwdg_setup();
#endif
usart_send("START\n");
if(RCC->CSR & RCC_CSR_IWDGRSTF){ // watchdog reset occured
usart_send("IWDGRSTF=1\n");
}
if(RCC->CSR & RCC_CSR_SFTRSTF){ // software reset occured
usart_send("SFTRSTF=1\n");
}
if(RCC->CSR & RCC_CSR_PORRSTF){ // POR/RDR
usart_send("PORRSTF=1\n");
}
if(RCC->CSR & RCC_CSR_PINRSTF){ // reset by pin NRST
usart_send("PINRSTF=1\n");
}
RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
while (1){
IWDG->KR = IWDG_REFRESH; // refresh watchdog
if(Tms - lastT > 499){ // throw out short messages twice per second
@@ -69,15 +82,12 @@ int main(void){
}
proc_esw();
CAN_proc();
CAN_status st = CAN_get_status();
if(st == CAN_FIFO_OVERRUN){
usart_send("CAN bus fifo overrun occured!\n");
}else if(st == CAN_ERR){
usart_send("Some CAN error occured\n");
}
while((can_mesg = CAN_messagebuf_pop())){
DBG("got CAN message\n");
IWDG->KR = IWDG_REFRESH;
// run command for my or broadcast ID
if(can_mesg->ID == the_conf.CANIDin || can_mesg->ID == 0)
parseCANcommand(can_mesg);
if(flags.can_monitor){
lastT = Tms;
if(!lastT) lastT = 1;